The FNN Tool is a software solution for updating inverters (in stock or in the field) to meet the requirements of the FNN transitional solution before 1 January 2012. After this date, the inverters must comply with the LV requirements according to VDE-AR-N 4105.
The FNN tool makes it possible to update inverters (in stock or in the field) to conform to the FNN transitional solution.
This solution will only be applicable for inverters being commissioned before the 1.January 2012, after which the inverters will need to meet the LV requirements according to VDE-AR-N 4105.
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